.demand-index {
    header {
        height: 50px;
        .back {
            left:0;
            color:#444;
        }
        
        .img {
            width: 100%;
            height: 30px;
        }
        .logo {
            height: 30px;
        }
    }

    .container {
        margin: 0 10px;
        padding-bottom: 20px;
    }

    .item {
        height: 50px;
        color: #999;
        border-bottom: 1px solid #e6e6e6;
    }

    .label {
        width: 70px;
    }

    .op {
        border: solid 2px #e8e8e8;
        padding: 3px 8px;
        border-radius: 3px;
    }
    .active {
        border: 2px solid #ff8200;
    }
    .inp {
        border: none;
        outline: none;
        height: 50px;
        width: 100%;
        text-indent: 10px;
    }
    .btn {
        height: 47px;
        background-color: #ff8200;
        color: #fff;
        border-radius: 5px;
    }

}